Hieracium pringlei

Hieracium pringlei, common name Pringle's hawkweed,[2] is a North American plant species in the dandelion tribe within the sunflower family. It is native to Mexico with additional populations in Guatemala, Arizona, and New Mexico.[3][4]

Hieracium pringlei
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Tribe: Cichorieae
Genus: Hieracium
Species:
H. pringlei
Binomial name
Hieracium pringlei
A.Gray 1883
Synonyms[1]
  • Hieracium jaliscense var. eriobium Zahn
  • Hieracium jaliscense var. ghiesbreghtii B.L.Rob. & Greenm.
  • Hieracium jaliscense var. guatemalense Sleumer
  • Stenotheca pringlei (A.Gray) Sennikov

Hieracium pringlei is an herb up to 45 cm (18 in) tall with woolly hairs, with leaves both on the stem and in a rosette at the bottom. Leaves are up to 200 mm (7.9 in) long, hairy, occasionally with teeth on the edges. One stalk can produce 3-20 flower heads in a flat-topped array. Each head has 12-15 yellow ray flowers but no disc flowers.[5]

References
  1. The Plant List, Hieracium pringlei A. Gray
  2. "Hieracium pringlei". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 23 July 2015.
  3. Biota of North America Program 2014 county distribution map
  4. Beaman, J. H. 1990. Revision of Hieracium (Asteraceae) in Mexico and Central America. Systematic Botany Monographs 29: 59.
  5. Flora of North America, Hieracium pringlei A. Gray, 1883.


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